410 



AUCTL'ID.i:. 



l)ro\vii. Fore wino- o;rev .suffused with iva-bi-own and sliglitly 

 irrorated with blaekish, the medial area below the fell deep"" red- 

 brown ; subbasal line double, whitisli, waved, from costa to vein 1 ; 

 antcmedial line wliitish, stron.^'lj incurved in the cell, then 

 oblicjuely curved; orbicular witli sli<rht wliitish annulus, small, 

 oblique elliptical ; an ol)lique silvery-wliite Y-shaped stigma below 

 the cell; ivniform with sliu-lit whitish annulus, constricted at 

 niiddle where there is a black-ln-nwn s])()t beyond it; postmedial 

 line double, red-brown lilled in witli whitish, excurved below costa 

 and oblique^below vein 5 ; subterminal line dark brown, excurved 

 below vein 7 and slightly l)elo\v veins ■!• and 3 ; a curved red-brown 

 line before termen with the area beyond it whitish grey. Hind 

 Aving orange-yellow, the base and^ inner margin red-browni ; a 

 terminal l)lack-brown band ; cilia brown at base^ chequered brown 

 and white _ at tips. Underside orange-yellow, the costal areas 

 irrorated with brown, the inner area of fore wing and terminal area 

 of botli wings suffused with brown ; fore wing with brown 

 discoidal lunule and indistinct postmedial line excurved bevond 

 the cell. 



Hah. Canada, Alberta, Calgary {Wolley-Dod), 2 ^ ; U.S.A., 

 Utah (Banifs), 2^, 1$, Colorado {Bruce), 1 J , 1 $, South 

 Park {Oslar), 2 c? , Pehe's Peak, 2 2, Hall Vallev, New Mexico, 

 Jaos, 1 d , Truckas Peak (Cockerell), IJ , 1 § . U.rJ). 34-36 millim. 



Genus RACHIPLUSIA, nov. 



Ty])e, /i*. mi. 



Proboscis fully developed ; palpi upf urned, tbe 2nd joint reaching to about 

 vertex of bead and fringed witb ratlier long hair iu front, the Srd rather long; 

 frons smooth with large tnft of hair; eyes large, round, overhung by long cilia '; 

 antenniu of male minutely ciliated ; thorax clothed with hair and hair-like 

 scales, the meso- and metathorax with large divided crest; tibia; fringed with 

 rather long hair, all the tibiae spined ; abdomen with dorsal series of crests, 

 the crests on 1st and 3rd segments large. Fore wing with the apex njimded, 

 the termen evenly curved and slightly crennlale, the tornus with scale-tooth; 

 veins 3 and n from near angle of cell ; Iroin upper angle ; 9 from 10 anas- 

 tomosing with 8 to form the areolo ; 11 from cell. Hind wing with tiie cell 

 about half the length of wing; veins 3, 4 from angle; 5 fully developed from 

 above angle ; 0, 7 from upper angle ; 8 anastomosing with tlie cell near base 

 only. 



A. Fore wing with the stigma Y-shaped, or U-t-haped v.ith a spot 



beyond it; hind wing tinged with cupreous red nu. 



B. Fore wing with the stigma U-?haped without spot beyond it; 



hind wing not red pedaHa. 



8227. Rachiplusia nu. 



rimia 1IU, Guen. Noet. ii. p. 347 (18.52). 



]'/u.^iu depnuperata, Ul;incli. Gay's Chile, Zool. vii. p. 85 (1852). 



J'liiiiia (Iclrusa, Wlk. xii. TdS (1857). 



rinslafumifcra, Wlk. xii. 919 (1857). 



I'lusia airaia, Giaconi. Ann. Soc. Arg. Ixxii. p. 38 (1911). 



Head and thorax red-brown slightly mixed with whitish, the 

 tegula) with slight dtirk medial line ; abdomen jxile rufous. Fore 



